DiagnosticReportIG - Local Development build (v1.5.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: History
| Official URL: http://nhn.no/fhir/nilar/StructureDefinition/nilar-history | Version: 1.5.0 | |||
| Active as of 2025-09-10 | Computable Name: History | |||
Indicates if an observation (or possibly awhole report) is 'history', i.e. a copy/repetition af information sent previously.
Context of Use
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Element ID:
Element
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: NilarObservation
You can also check for usages in the FHIR IG Statistics
Formal Views of Extension Content
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
Other representations of profile: CSV, Excel, Schematron
Constraints
| Id | Grade | Path(s) | Details | Requirements |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |